Questions tagged [gufw]

Graphical interface firewall based on Ubuntu Linux ufw.

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The Gufw documentation uses false statement

Gufw is a GUI frontend for iptables. In the home screen of Gufw, under FAQ in "Getting Started", one can find the question-answer pair: Why is Gufw disabled by default? By default the ...
2
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1answer
129 views

Ufw don't working ERROR: not enough args

I have installed ufw and gufw in Ubuntu 18.04 with XFce4.12 environment. I was exploring its configurations, then I looked for some tutorials to configure it and when I run sudo ufw it returns this to ...
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1answer
45 views

ufw NO ipv6 after enabling firewall - Essential Rules

There is a loss of ipv6 connectivity as soon as I enable ufw I am behind a 6router using dhcpv6 and need global connectivity. It uses 6to4 to acquire its 6ip. I DONT want to allow IN/OUT ALL from ...
0
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1answer
108 views

Do I need to allow incoming DHCP traffic?

I enabled gufw with it's default settings, deny incoming, allow outgoing. I haven't noticed any problems with usability, but I was told that I have to allow incoming UDP traffic from port 68. Do I ...
2
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1answer
629 views

ufw-init errors out with Bad argument DROP

I don't know unfortunately when it stopped working, because I was using it as a fire and forget solution. Not so long ago I checked it with gufw and was stunned to realize my machine is naked. root@...
0
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1answer
125 views

Why can't I block an IP range with gufw?

I've been working on a solution to this for weeks, and I'm about to say screw it and write a python app that can actually block IP addresses, because so far nothing seems to work like it's supposed to....
0
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1answer
55 views

Firewall Public Network Security

I have seen that utilisation of a firewall when using a public network is recommended. So I install ufw and gufw and deny incoming connection and allow outcoming connection on all profiles. Is that ...
1
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1answer
265 views

What do colors in GUFW firewall report mean? [duplicate]

There are red and grey text in GUFW firewall report. I can't figure out what do they mean. Tried googling it up but best I could find was mention that there are "color codes" in report. Originally ...
2
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1answer
294 views

gufw - rules listed in red and green. What do these colors mean

In the gufw rules table listing, some rules are printed in red and some in green. What is the meaning of these two colors?
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0answers
174 views

GUFW logging unclear

edit: after the first comment, I adapted the question When adding a rule in GUFW/Advanced there are three choices for logging. From the man ufw page/sectin LOGGING i learned do not log - log nothing ...
0
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0answers
129 views

Why is this rule in Gufw, to prevent Firefox from communicating to a HTTP server, not working?

The rule I'm having problems with is the following: After setting it, I'm still able to use Firefox to connect to a HTTP server. Why is that rule not working? From what I understand, the reply of the ...
1
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1answer
147 views

Why do rules I create in graphic firewall (gufw) get deleted (force deleted)?

I used the graphic firewall in 18.04 to create rules for 3 services. At the time they were created, the rules were fine and the items accessible from other machines on my home network. The next day, ...
1
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1answer
740 views

Firestarter vs gufw in 2018? [closed]

I really like the way firestarter shows active connections and a few other features which gufw does not have. But I am wondering whether a firewall which active development ended in 2005 (firestarter) ...
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3answers
1k views

GUFW not launching on Ubuntu 17.04

The authentication window pops-up but then I'm getting a bunch of errors (in the console) and nothing happens. Looked up similar issues on the Internet and tried the following: updating the OS ...
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0answers
105 views

setting up gufw via VNC

Suppose I am using Remmina to access vnc4server via this SSH tunnel: ssh -L 5901:127.0.0.1:5901 user@remoteIp Then I install gufw. It has an on/off switch. As soon as I switch it on there are no ...
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0answers
25 views

How to deny incoming ubuntu 17.04? [duplicate]

I have on my windows PC a VM with ubuntu 17.04. I want to enable request only from my winPC to ubuntu and deny the rest so I need to set up the firewall. I try to set up the firewall from gufw. To try ...
0
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0answers
409 views

Skype Bypass UFW While Transmission Can't Even Open Port

I'm new to Linux. On Windows I'm used to have the firewall triggered automatically by an application and then I authorize whether or not to let the application access real world. Linux using UFW has ...
0
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1answer
259 views

etc/gufw/app-profiles

In my etc/gufw folder I have an app-profiles folder which contains many txt files such as "overkill.jahnsonxi" and "blood2.jhansonxi" I'd really appreciate someone explaining what these are. I've ...
0
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1answer
215 views

How can I change my firewall settings in dependency of my network environment?

I need ports open at home for syncthing, but want incoming connections blocked when on any other network. How do I do this with Ubuntu? Without this feature I quite often end up turning off the ...
1
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1answer
521 views

Can't open 4444 port in gufw

I've added a SSH rule for adding 4444 port in my distro through gufw but when I run nmap -sV 10.9.0.136 -A it shows : Starting Nmap 7.40 ( https://nmap.org ) at 2017-04-25 11:30 IST Nmap scan ...
2
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2answers
3k views

Is there a way to whitlist ip's and block everything else

So i'm running ubuntu on my vps. But the problem is that i have kids trying to figure out the password of the FTP connection and the VNC connection. (with succes). Now i want to ask is there a way to ...
7
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2answers
4k views

Block internet if vpn connection drops

Trying to set up gufw so that it if my vpn connection drops, my computer won't be able to access the internet any more. My plan was to block all outgoing, but allow only a connection to the IP of my ...
3
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3answers
5k views

gufw on ubuntu 16.04 don't run

It doesn't run properly when I click and closes automatically.
1
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1answer
1k views

I can't open gufw in Ubuntu 16.04

** (gufw.py:28335): WARNING **: Failed to load shared library 'libwebkitgtk-3.0.so.0' referenced by the typelib: libgbm.so.1: 無法開啟共用目的檔: 沒有此一檔案或目錄 /usr/share/gufw/gufw/view/gufw.py:117: Warning: ...
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0answers
118 views

Gufw fails to control ufw

ufw is 0.34 gufw is 15.10.0 As title says it is not possible to control the active status of ufw through gufw: sudo ufw status Status: Inaktiv start gufw, enter root passwort to authenticate. ...
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2answers
1k views

Can gufw profiles be switched automatically?

In gufw, you can set up different profiles (home, office, ...) with different rules. This is cool, but: Is there a way to automatically select a profile, depending on the presence of a wifi access ...
2
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1answer
2k views

UFW - How to make it easier and what are stealth ports can UFW have these? [closed]

Let me show u what I jusat wasted 2 hours doing: To Action From -- ------ ---- 22 REJECT Anywhere 23/tcp ...
0
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1answer
626 views

GUFW from desktop icon

I am trying to launch gufw from an icon on my desktop. Now gufw requires sudo to run. I found an application that did the same thing but for nautilus (http://lifehacker.com/5596006/create-an-...
1
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1answer
829 views

Gufw does not open in Ubuntu 14.04

I'm using Remote Desktop Manager to access another system which uses Ubuntu 14.04 with Xfce 4.10 desktop. I recently installed Gufw. When I click it from Application Menu\Systems, it does not open. ...
0
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1answer
3k views

How to add Gufw to start up? [duplicate]

want to know because I am tired of just clicking on the launcher because I just leave my laptop on. Please help me. Thank You Pass does not apply When the program is activated
0
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1answer
830 views

Are the Gufw default profiles empty?

I've just installed gufw on my notebook. I'm trying to setup my laptop with a very secure - roadwarrior - type of configuration. So the choices available in GUFW with a public, home and office profile ...
2
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4answers
9k views

How can I use Firefox with Ubuntu firewall (gufw)?

I don't know how can I allow the permission for Firefox in the gufw firewall. Can someone help me please?
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0answers
200 views

Google Talk > Gufw set to Deny/Deny does BLOCK. Please help

I have my Ubuntu 12.04 Server. I installed Google Talk in it. I opened gufw, and set it to deny/deny and there are no allow rules. Now firefox wont connect to the internet which is good... But... ...
0
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1answer
96 views

How do I activate Ip tables or UFW with ease. Also, use elevation to activate

How do I activate Ip tables or UFW with ease. Also, use elevation to activate. Further once active how to I block all unsolicited incoming coneections and yet allow all outgoing connections
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1answer
238 views

GUFW for console?

I like the GUFW, but need something similar for console. I mean an interactive software without need to remember all the command line keys. Could you suggest one?
2
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2answers
3k views

firewall ufw is “enable and active” but gufw is off

question concerning the ufw firewall : sudo ufw enable returns Firewall is active and enabled on system startup sounds fine, but when i start gufw after reboot, it is still off what does that ...
3
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1answer
901 views

Gufw doesn't show my current iptables rules

I bought a new machine, so, what I did was save my current iptables using iptables-save and imported the rules into the new machine with iptables-restore command. If I run iptables -L command in the ...
1
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3answers
3k views

Is the firewall active or not?

I'm confused about the status of my firewall. Using the Ubuntu Software Center, I have installed Gufw. Problem: When the Firewall is locked, it looks like it's inactive. But when I unlock it, it's ...
2
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0answers
3k views

UFW Settings - Application Integration [closed]

I have installed the Ubuntu system, and deny both incoming and outgoing ports loosing internet access. Now I want access only for my Firefox that I have installed separately from the Firefox website ...
2
votes
0answers
163 views

Should I be using a firewall in Ubuntu? [duplicate]

Possible Duplicate: Why is the firewall disabled by default? I installed both gufw and Firestarter but I'm hesitant to activate one of them because I don't know too much about firewalls in ...
2
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1answer
4k views

How can I set up GUFW so that only firefox connects to the internet

I only want http, https and DNS to be open. I'm having troubles with setting up port ranges in the UFW GUI. How do I input configs into the feilds? Basically, something along the lines of this, but ...
1
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1answer
981 views

Add more applications to the Gufw drop down menu

I'm setting rules for ufw using the Gufw. In the preconfigured tab, there are applications which I can set to allow internet access. How can I add more applications to that list?
10
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1answer
1k views

Precautionary security measures for a home user? (firewall, antivirus, etc)

I just recently made the switch from Windows to Ubuntu, and I'm just a little paranoid when it comes to security measures. I've looked around and from what I've read, security is not as big a concern ...
68
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5answers
53k views

Why is the firewall disabled by default?

Why is ufw firewall included in Ubuntu, when it is not enabled and pre-configured by default? Most users don't even know it is there, because no GUI frontend is provided.
5
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2answers
1k views

Does Ubuntu come with a firewall by default?

I have been told that Ubuntu comes with the firewall UFW. Is this true? Is there a GUI for it? If so, what is its name and where do I download? Is it possible for UFW to notify us (like in windows ...
46
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5answers
71k views

How can I open a range of ports in ubuntu using (g)ufw

I have to open up a group of ports. Adding the single ports to (g)ufw was easy enough but I can't work out how to open the range 11200-11299. How do I do that?